The number ( 2 + 2 ) 2 is, a natural number, an irrational number, a rational number, a whole number

( 2 + 2 ) 2 = 4 + 2 + 4 2 = 6 + 4 2 So, it is an irrational number

The number ( 2 + 2 ) 2 is

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The number $(2+\sqrt{2})^{2}$ is

MathematicsSets and RelationsNDANDA 2008 (Phase 2)

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The correct answer is: an irrational number

$(2+\sqrt{2})^{2}=4+2+4 \sqrt{2}=6+4 \sqrt{2}$
So, it is an irrational number

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